PPRuNe Forums - View Single Post - Helicopter pilots and Tinnitus

8th January 2011 | 20:34

#40 (permalink)

g-mady

Joined: Jul 2005

Posts: 413

Likes: 0

From: leicester

I often do 7hrs a day in the summer... thats whats got we worried!!!

Do you know what HISL stands for so I can google them?... (no strobe light jokes please!)

MADY

Reply

0